<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title>字体样式</title>
		<style>
			.mymy{
				font-family:"arial, helvetica, sans-serif";
				font-size: 50px;
			}
		</style>
	</head>
	<body>
		<p class="mymy">这是一个段落</p>
	</body>
</html>
